This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A291086 #16 Aug 19 2017 09:56:45
%S A291086 1,1,1,1,3,4,4,2,1,11,17,18,13,8,3,1,46,76,85,72,51,28,13,4,1,207,355,
%T A291086 415,384,300,196,110,50,19,5,1,977,1716,2076,2034,1705,1236,785,430,
%U A291086 204,80,26,6,1,4769,8519,10584,10801,9541,7426,5145,3165,1729,826,343,119,34,7,1
%N A291086 Irregular triangle read by rows: T(n,m) = number of lattice paths of type {B^Q}_R terminating at point (n, m).
%H A291086 Veronika Irvine, <a href="http://hdl.handle.net/1828/7495">Lace Tessellations: A mathematical model for bobbin lace and an exhaustive combinatorial search for patterns</a>, PhD Dissertation, University of Victoria, 2016.
%e A291086 Triangle begins:
%e A291086 1,
%e A291086 1,1,1,
%e A291086 3,4,4,2,1,
%e A291086 11,17,18,13,8,3,1,
%e A291086 46,76,85,72,51,28,13,4,1,
%e A291086 207,355,415,384,300,196,110,50,19,5,1,
%e A291086 977,1716,2076,2034,1705,1236,785,430,204,80,26,6,1,
%e A291086 4769,8519,10584,10801,9541,7426,5145,3165,1729,826,343,119,34,7,1,
%e A291086 ...
%Y A291086 First column is A291090.
%K A291086 nonn,tabf
%O A291086 0,5
%A A291086 _N. J. A. Sloane_, Aug 19 2017